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Problem

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11 Nov 2021

Given information

Given that, suppose in a local Kindergarten through 12th grade (K - 12) school district, 53 percent of the population favor a charter school for grades K through five. A simple random sample of 300 is surveyed. Calculate the following using the normal approximation to the binomial distribution.

We have to find the probability that no more than 140 favor a charter school for grades K through 5.

Step-by-step explanation

Step 1.

The probability that no more than 140 favor a charter school for grades K through 5 is given by,

has normal approximation 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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